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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/3RHS26H
Repositorysid.inpe.br/mtc-m21c/2018/08.01.11.58   (restricted access)
Last Update2018:08.01.11.58.07 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21c/2018/08.01.11.58.07
Metadata Last Update2019:01.14.17.06.31 (UTC) administrator
DOI10.1088/1538-3873/aacb1e
ISSN0004-6280
Citation KeyBernardesMartRodr:2018:ChSPCC
TitleCharacterization of the SPARC4 CCDs
Year2018
MonthSept.
Access Date2024, May 05
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size6878 KiB
2. Context
Author1 Bernardes, D. V.
2 Martioli, E.
3 Rodrigues, Cláudia Vilega
Resume Identifier1
2
3 8JMKD3MGP5W/3C9JGS5
Group1
2
3 DIDAS-CGCEA-INPE-MCTIC-GOV-BR
Affiliation1 Labotatório Nacional de Astrofísica (LNA)
2 Labotatório Nacional de Astrofísica (LNA)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 dbernardes@lna.br
2 emartioli@lna.br
3 claudia.rodrigues@inpe.br
JournalPublications of the Astronomical Society of the Pacific
Volume130
Number991
Pagese095002
Secondary MarkA2_ENGENHARIAS_IV A2_ASTRONOMIA_/_FÍSICA
History (UTC)2018-08-01 11:58:07 :: simone -> administrator ::
2018-08-01 11:58:08 :: administrator -> simone :: 2018
2018-08-01 11:58:28 :: simone -> administrator :: 2018
2019-01-14 17:06:31 :: administrator -> simone :: 2018
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
Keywordsinstrumentation: detectors
methods: data analysis
techniques: image processing
AbstractWe present the photometric characterization of the four iXon Ultra 888 CCD cameras of the SPARC4 instrument, which will be installed on the 1.6 m telescope of the Pico dos Dias Observatory in Brazil. We applied experimental methodologies for a systematic characterization of the read noise, electronic gain, dark current, and quantum efficiency of the CCDs. We have analyzed the statistical distribution of the read noise, and also its spatial gradient and temporal variability, where we obtained an average value of the read noise of 6.33 electrons. We applied the Janesick method to determine the electronic gain, where we obtained an average value of 3.35 e- /ADU. We have also obtained an average dark current of 0.00014 e- pix(-1) s(-1) for CCD internal temperature of -70 degrees C. We have inspected the dependency of the dark current with temperature and the spatial distribution of the dark current, where we found a variable profile in the CCD 9917. We developed an experiment using a bench-mounted monochromator to obtain the spectral dependency of the quantum efficiency in the spectral range between 350 nm and 1100 nm, where we measured the quantum efficiency for each camera. The camera 9915 presents the highest quantum efficiency of 95.8%. Our results are compared with those from the manufacturer. These experiments allow us to diagnose the performance of these CCD cameras, an important sub-system of the SPARC4 instrument. It also provides a systematic way for monitoring the aging of the CCDs.
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4. Conditions of access and use
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User Groupself-uploading-INPE-MCTI-GOV-BR
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Visibilityshown
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Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
LinkingTrabalho não Vinculado à Tese/Dissertação
Next Higher Units8JMKD3MGPCW/3ETR8EH
DisseminationWEBSCI; PORTALCAPES; MGA; COMPENDEX.
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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